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FAIR VALUE MEASUREMENTS (Details Textuals) $ in Thousands, € in Millions | 6 Months Ended |  |
--- | --- | --- | ---
Apr. 30, 2017 USD ($) | Apr. 30, 2016 USD ($) | Apr. 30, 2017 EUR (€) | Apr. 30, 2017 USD ($) | Oct. 31, 2016 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Total liabilities |  |  |  | $ 19,671 | $ 18,881
Change in value of contingent consideration | $ 1,148 | $ 1,679 |  |  |
Assets held within irrevocable trusts and classified within other assets |  |  |  | 112,385 | 93,202
Related liabilities of deferred compensation plans, specified as other long-term liabilities |  |  |  | 111,200 | 92,600
Aggregate LCP Assets [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Assets held within irrevocable trusts and classified within other assets |  |  |  | 106,900 | 88,500
Significant Other Observable Inputs (Level 2) [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Total liabilities |  |  |  | 0 | 0
Assets held within irrevocable trusts and classified within other assets |  |  |  | 106,387 | 86,054
Significant Other Observable Inputs (Level 2) [Member] | Corporate Owned Life Insurance [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Related liabilities of deferred compensation plans, specified as other long-term liabilities |  |  |  | 105,700 | 87,900
Significant Unobservable Inputs (Level 3) [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Total liabilities |  |  |  | 19,671 | 18,881
Change in value of contingent consideration | (250) |  |  |  |
Assets held within irrevocable trusts and classified within other assets |  |  |  | 0 | $ 0
Business Combinations [Abstract] |  |  |  |  |
Accrued Liabilities, Current |  |  |  | 6,944 |
Flight Support Group [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Total liabilities |  |  |  | 18,400 |
Business Combinations [Abstract] |  |  |  |  |
Accrued Liabilities, Current |  |  |  | 6,700 |
Flight Support Group [Member] | Euro Member Countries, Euro |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Total liabilities | € |  |  | € 16.9 |  |
Business Combinations [Abstract] |  |  |  |  |
Accrued Liabilities, Current | € |  |  | 6.1 |  |
Flight Support Group [Member] | Euro Member Countries, Euro | FY 2015 Acquisition [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Contingent Consideration Arrangements, Per Year Amount | € |  |  | 6.1 |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High | € |  |  | € 18.3 |  |
Electronic Technologies Group [Member] | FY 2016 Acquisition [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Total liabilities |  |  |  | 1,300 |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High |  |  |  | $ 2,000 |
Change in value of contingent consideration | $ 300 |  |  |  |

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